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Exomad Green’s Biochar Field Study Reveals Significant Crop Yield Improvements In Bolivia

Published by Todd Bush on July 4, 2025

Trials demonstrate from 15% - 32% increase in corn yields and 13% - 25% increase in bean production

Exomad Green's latest biochar field study reveals the transformative impact of biochar on soil health and agricultural productivity. The field study shows the promising role of biochar as a modern regenerative agriculture solution, and demonstrates how, when used effectively, biochar can hugely improve soil structure, enhance nutrient efficiency, and stimulate microbial activity.

Effective regenerative agriculture solutions are more needed than ever, with unsustainable farming and land management practices causing reduced soil fertility, water retention and nutrient availability. This poses a severe threat to agricultural productivity. Exomad Green's industrial-scale production of biochar is proving an effective solution to tackle this ongoing soil degradation.

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Exomad Green's latest field study was conducted across three different regions in Santa Cruz, Bolivia, and despite a severe drought, crops treated with biochar demonstrated a noticeably strong performance, particularly in grain fill and overall yield. The results indicate how biochar positively impacts soil health and improves agricultural output.

The study conducted four trials across bean and corn plants, with varying levels of biochar applied to different crops. At the start of the planting cycle, biochar was applied once. Beans were planted first, followed by corn after harvest, with no further biochar added.

Key findings:

  • 15% yield increase in corn crops (and up to 32% when combined with fertilizer and microorganisms)
  • 13% yield increase in bean plants (and up to 25% when combined with fertilizer and microorganisms)

The study demonstrated how biochar significantly impacted soil health. Its application enhanced nutrient availability, improved soil porosity, and optimised moisture retention, leading to enhanced crop development.

Diego Justiniano, Chief Executive Officer, Exomad Green said, "This latest study by our team clearly demonstrates the benefits that biochar can deliver in terms of crop development. Its application enhanced nutrient availability, improved soil porosity, and optimized moisture retention, while also leading to a more efficient use of fertilizers. This, coupled with biochar's carbon dioxide removal capabilities makes it a hugely important tool to tackle the climate crisis on several fronts. This technology represents a significant advancement in making regenerative agriculture both accessible and profitable for farmers."

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